header {
  height: 53px;
  background: #333;
}

header ul {
  display: flex;
  height: 53px;
  justify-content: flex-end;
  align-items: center;
}

header ul li, header ul a {
  position: relative;
  padding: 0 15px;
  color: #cdcdcd;
  line-height: 1;
  display: inline-block;
}

header ul li:hover, header ul a:hover {
  color: #27ba9b;
}

header ul li::after, header ul a::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: #ccc;
}
